<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="选择班级" prop="className">
        <el-select v-model="queryParams.className" placeholder="请选择班级" clearable>
          <el-option
            v-for="c in classList"
            :key="c.id"
            :label="c.className"
            :value="c.className"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="跟踪人" prop="teacherName">
        <el-select v-model="queryParams.teacherId" placeholder="请选择跟踪人" clearable>
          <el-option
            v-for="t in teacherList"
            :key="t.id"
            :label="t.teacherName"
            :value="t.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="问题类型" prop="problemType">
        <el-select v-model="queryParams.problemType" placeholder="请选择问题类型" clearable>
          <el-option
            v-for="dict in dict.type.problem_type"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="学生姓名" prop="studentName">
        <el-input
          v-model="queryParams.studentName"
          placeholder="请输入学生姓名"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['eduadmin:track:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['eduadmin:track:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['eduadmin:track:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['eduadmin:track:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="trackList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
<!--      <el-table-column label="" align="center" prop="id" />-->
      <el-table-column label="班级" align="center" prop="className" />
      <el-table-column label="学生姓名" align="center" prop="studentName" />
      <el-table-column label="问题类型" align="center" prop="problemType">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.problem_type" :value="scope.row.problemType"/>
        </template>
      </el-table-column>
      <el-table-column label="扣分情况" align="center" prop="deductPoints" />
      <el-table-column label="发生时间" align="center" prop="happenTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.happenTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="跟踪次数" align="center" prop="count" />
      <el-table-column label="跟踪老师" align="center" prop="teacherId" />
      <el-table-column label="备注" align="center" prop="remakes" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['eduadmin:track:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['eduadmin:track:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改教学跟踪对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="班级" prop="className">
          <el-select v-model="form.className" placeholder="请选择班级">
            <el-option
              v-for="c in classList"
              :key="c.id"
              :label="c.className"
              :value="c.className"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="学生" prop="studentId">
          <el-select v-model="form.studentName" placeholder="请选择学生">
            <el-option
              v-for="s in studentList"
              :key="s.id"
              :label="s.studentName"
              :value="s.studentName"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="问题类型" prop="problemType">
          <el-select v-model="form.problemType" placeholder="请选择问题类型">
            <el-option
              v-for="dict in dict.type.problem_type"
              :key="dict.value"
              :label="dict.label"
              :value="dict.value"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="扣分情况" prop="deductPoints">
          <el-input v-model="form.deductPoints" placeholder="请输入扣分情况" />
        </el-form-item>
        <el-form-item label="发生时间" prop="happenTime">
          <el-date-picker clearable
            v-model="form.happenTime"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="请选择发生时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="问题描述" prop="remakes">
          <el-input v-model="form.remakes" placeholder="请输入备注" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listStudent, listTeacher, listClass, listTrack, getTrack, delTrack, addTrack, updateTrack } from "@/api/eduadmin/track";

export default {
  name: "Track",
  dicts: ['problem_type'],
  data() {
    return {
      teacherList: [],
      classList: [],
      studentList: [],
      c: '',
      t: '',
      s: '',
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 教学跟踪表格数据
      trackList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        studentName: null,
        className: null,
        teacherId: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
    this.getClasses();
    this.getTeachers();
    this.getStudents();
  },
  methods: {
    /** 查询教学跟踪列表 */
    getList() {
      this.loading = true;
      listTrack(this.queryParams).then(response => {
        this.trackList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 获取所有学生
    getStudents() {
      this.loading = true;
      listStudent(this.queryParams).then(response => {
        this.studentList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 获取所有班级
    getClasses() {
      this.loading = true;
      listClass(this.queryParams).then(response => {
        this.classList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 获取所有老师
    getTeachers() {
      this.loading = true;
      listTeacher(this.queryParams).then(response => {
        this.teacherList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        className: null,
        studentName: null,
        studentId: null,
        problemType: null,
        deductPoints: null,
        happenTime: null,
        count: null,
        teacherId: null,
        remakes: null,
        problemDescription: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加教学跟踪";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getTrack(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改教学跟踪";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateTrack(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addTrack(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除教学跟踪编号为"' + ids + '"的数据项？').then(function() {
        return delTrack(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('eduadmin/track/export', {
        ...this.queryParams
      }, `track_${new Date().getTime()}.xlsx`)
    }
  },
};
</script>
